/*下拉框美化*/
.opt {
    width: auto;
    height: auto;
    border-radius: 10%;
    background-color: #b9f1ef;
    line-height: inherit;
    text-align: center;
}

.zi {
    color: #6fd463;
    height: 1000px;
    background-color: rgba(164, 239, 246, 0.29);
    border-radius: 10%;
    width: 300px;
    text-align: center;
    vertical-align: middle;
    line-height: 1000px;
}

.xin {
    color: #000000;
    width: 2000px;
}

.bai {
    color: white;
    background-color: black;
    text-decoration: underline;
    text-decoration-color: white;
}

.lv{
    color: green;
    text-decoration: underline;
    text-decoration-color: black;
}

.hong{
    color: red;
}

.huang{
    color: yellow;
    text-decoration: underline;
    text-decoration-color: black;
}


.beijing{
    background-color: #a3f1ee;
}

